Stove construction



Jan. 5,- 1932 c. M. DIBBLE STOVE CONSTRUCTION Filed Aug. 4, 1928 3 Sheets-Sheet 1 Jan. 5, 1932. c, M DIBBLE 1,839,469

STOVE CONSTRUCTION Filed Aug. 4, 1928 '3 Sheets-Sheet 2 1 0/0 0 0 o 0 o 0 0 O C. M. DIBBLE STOVE CONSTRUCTION Filed Aug. 4, 1928 3 Sheets-Sheet 3 Jan. 5, 1932.

' scale showing Patented Jan. 5, 1932 or JOLIET, ILLI voIs, a co srovn cons Application filed August 4,

This invention relates to stove constructions, and has for its general object to provide an improved construction facilitating the assembly of the parts and the application of insulating packing'material to the surrounding walls of the heating chamber.

Numerous other objects-and advantages of the invention will be apparent as it is better understood from the following description, which,'taken in connection with the accompanying drawings, discloses a preferred embodiment thereof. V

In the drawings: 1

Figure 1 is a front elevation of one type of stove constructed in accordance with the invention;

Fig. 2 is a vertical section of the same taken longitudinally through the heating chamber;

Fig. 3 is a horizontal section through the heating chamber taken on line 33 of'Fig, 2;

Fig. 4 is a perspective view on a reduced the assembly of the inner and out-er casing walls, or shells, of the heating chamber; 2

Fig. 5 is an enlarged detailed fragmentary vertical section showing the mode of attachment of the heating chamber walls to the front framework of the stove, and

Fig. 6 is an enlarged detailed fragmentary horizontal section showing the same construction as Fig. 5.

The illustrative stove is of the electric heater type. The invention has one important application, for example, to electric stoves, because such stoves ordinarily require the application of an insulating packing material to the walls of the heating chamber, and, as will hereinafter appear, a stove constructed pursuant to the invention greatly facilitates the application of rsuch packing material to the heating chamberwall's. This electric stove includessa surrounding outer casing 11' comprising the" two side vertical walls 12, the top 13, the back wall 14 and the front door frame 15, all assembled into a substantially rectangular. cabinet supported upon the four corner legs 16. f f

A. stove of this type mayxhave its side, back and top walls constructedof sheet metal plates assembled in anysuitable manner, and

flanges 26 located along the four filled with a suitable insulating RIORATION OF ILLINOIS rancrron i I was. serial No. 297,462.

its front door frame ings including the top casting 17, the bottom casting 18 and the two vertical side castings 19. These door frame castings are formed each with the front faces or connecting portions 20 bent at their outside edges 21 into the rearwardly extending outer flanges 22 and also bent at their inner edges 23 into the inwardly'extending door-receiving flanges 24. At their inner edges 25, these door receiving-fianges are bent into door-stop edges of the opening against whichthe door is mounted and lying in a plane substantially parallel with the main plane of the door to limit the inward closing movement of the door.

The door 27 comprises an outer'plate 28 made of a suitable casting and an inner plate 29 having forwardly projecting fianging' 30 extending alongits top, bottom and sides. This flanging 30 is secured to the inner face of the front door plate 28, and the space provided between the rear surface of the front door plate 28 and the rear plate 29 is packing material, such as mineral wool, as shown at 31. The door 27 is mounted to swing on a horizontal axis at its bottom in any suitable man ner and is provided near its top with asuitable handle.

The door is a part of the casing or cabinet 11 and the flanging 30 engages the presented casing or cabinet surfaces when the dooris closed. The heating chamber or unit is separate from this casing and is separately con structed. i

As shown in Figs. 2 and 3, the front ends of the side plates 12 and the top plate 13 of the outer casing. are provided with recessed flanged portions 32 whichunderlap .and are secured 1n. any suitable manner? to the rearwardly projecting outside flanges 22 of the vertical and horizontal door frame castings. i

a rigid yet readily assembled outer cabinet 5 PATENT orrrca CLAUDE M. DIBBLE, or aonrn'r, rumors, AssIGnoR To oons BROTHERS COMPANY,

15 made of hollow cast- 2 in which the heating chamber casing 33 is '2 mounted. This heating chamber casingis substantially rectangular in shape, asshown,

and when mounted within the cabinet 11 may? .3

Theabove described construction provides..."

liai e a se ured 1 touthe, ,vertieali id ca ing iszma e of v tical" ide... top a di be supported at'its bottom upon pedestals 3e upstanding from the bottom of the cabinet. This casing 33 is closed at its vertical side, top, bottom and rear Walls, but open in the front at 35 adjacent the door 27 and provides va substantially rectangular-,heating chamberifor tjhe'-'stove. f; "1'

The illustrative heating chamberfifi is constructed of an inner shell 36 and an outer shell-3 7 'spaced 'fr" of the vertical side; Walls thereof to provide a surroun ding space 38 for the insulating packing material.

The inner shell 36 is madelpreferably of the side, top and bottom sheet metal wall aaae provided along the vertical side, top

and hot em e ges; with av're rwarclly 1 preieetingi "flanges A3 e endingiaii-p aees para le :{rvitli,- ;the corresponding alls :ofrthej iner she l This construction -pe m ts the back he 'applied;-readily in'place and top an dsbottom W lls-.39 ofthevinnershe k-t0 cl seitheqioack i? r 2- 1a; ;J. @15 3 -.FTh 1 u eri she icof :t-he h a iieg rhaii h r jottornuplahef 4a assembled to; form; :a subs ea ti y; r tangu ar casingadaptedto snrronnd the n f ontledge athewtopg bottomgend were cale-s de: alls 5 t nse-suit bly; in

the nner he l 33a with; all 0.1.; the Walls and thebacko theou er. sh l 1 pac d fr m th of; the outer shel are-ben into; flanges; .45 which imderlapzand ,arefastet fl nges; (1 Qiith ma l he ne shell 36,-: z Thehack oft e n ter f l ellf S'Z-iS l 'l secl ve backipl te 46;,prev led with per phe al fiangingiet.

.to the ifiangingl 43nd thel b ks-1p e m d im late i 42,

and engaging l ke mann r th a i of the outer shell 37.

r casing 33 3 may. be secu ed to e deer: rams-Merl; by screws 4&8 f(S6B E'lgS. -.5fa1'ld 6:): passed through the door stop flanges 26 and {the lapping ;the four ivval-ls: of ;;the

inner and outer shells 36 and 37 of the: heating :i Irrthe illustrat ve stove in suitable electric heater a49 i's LSUP'P orted son: standing {101111 the bottom of the 36' .of. the heating:

.ofethis heaterepassesto thexoutsideaof theistove 5 cabinet through registering holes in the walls theback wall 14:0f 1the'stove with .;source of supplyofielectricitym pedestals .50 upw iinner shell chamber. 3 The terminal 51 46 and 14 and may be 'connecte d;.-outside an ysnitable f The above described I constructioa of the 7' e5 facture i assemble, but alsoone in which heatingcham'bericasingf 33 provides notfonly 1astructure which is simple and easy to menuthe packing may be readily applied so as, with the exception of the open front, to entirely surround the heating chamber. The packing ordinarily provided in structures of this character is mineral WOOl, a material somewhatdiificult and disagreeable. to handler? The improved structure of the heating chamber permits ready application of the packing since the inner and outer shells may the inner 'isl iellf at' first entirely-assembled,before any -packtop, bottom and reair ing as applied, v'vith the -single exception 0 a; the backplate 46 of the outer shell 37. After "havingas'sembled the inner shell 36 and applied its back plate 42, the outer shell is placed over and'a'round the inner shell so that the front flanges i501? said outer shell engage the companion flanges- 141 of theimler shell. -flll1iI1SHlfltlng material,- indicated at; 52, may ithfen be readily packed, into} the space providel;b.etiveen;thetop, bottom and side Walls 39 and-j laiof theinnergand outer shells and aalsespreadzover the back plate 42 of the inner shell; As soon :asithe required amount of insulating-material has been applied, the back plateJAG ofT the outer shell may be set into placeqreadily Without; disturbing any of the packing. Moreover, the construction permits easy access to the packing by the mere removal; ofqtheback.plate1 l6 of the outer shell, --Wl1enever itis, desired to remove andreplenish the packing. 2". .rI-tj. isgthought that the invention; and nany ;Of-.'5ltS;i&iind-&Ilt advantages will be under- "stoodzfrom the? foregoing description, and it tvil'libeiappar'ent that various changes may be Emadeainihe-form, construction and arrangementoft-heparts without departingfrom the 11s Iinitmndistzopeiof. the invention or sacrificing all of-its material advantages, the form hereinbeforeLdescribed being merely a preferred embodiment thereof. Moreover, it is not indispensable that all features. of the invention jbei-used conjointly, as they may be advantageously employed in various suboombinations and other combinations.

I claim: i 'liiA stove combination, "with -a front :flangingl inset frontsnrface of said cabinet, and a heating (chamber casing Within said cabinet, includ- -i:n-g,zan inner shell closed at the back and the frontetofre'ar Walls of which are provided construction comprising, in an outside cabinet provide door frame having door stop iiwithrfianging projecting substantially paral- 1 lelvvithiandzadapted to engage said door stop iflanging, and "an outer shell of which the f front-to--rear-.='walls are provided at their front Tends with inwvar dly proj ecting flanging to'iap the outwardly projecting flanging of isaidinner shelljmeans for-securing said heating chambercasin'g ithin said cabinet, and a -'removable bac'k-f0r said outer shell adapted to 'en' gage saidwfront to-rear Walls of said shell, said 'outershell being spaced from said from the main plane of the inner shell to receive an insulating packing applicable between the front-to rear and back walls of said inner and outer shells.

2. A stove construction comprising, in

' combination, an outside cabinet provided and a separate back for with a door frame having door stop flanging inset from the outer plane of said frame, and a heating chamber casing within said cabinet, including, an inner shell closed at the back, an outer shell spaced from and surrounding the front-to-rear walls of said inner shell, said shells being provided with companion lianging at their front ends secured to the door stop hanging of said door frame, packing interposed between the frontto-rear walls of said inner and outer shells and against the back wall of said inner shell,

said outer shell applicable thereto in spaced relation in respect of the back wall of said inner shell,

8. A heating chamber unit comprising, in

combination, an inner shell, including, frontto-iear walls and a back wall, said front-torear walls having outwardly projecting flang ing, and an outer shell adapted to surround said inner shell and having front-to-rear walls spaced from the corresponding walls of, the inner shell and provided at their front ends with inwardly projecting flanging companion to and arranged to lap the flanging of said inner shell walls, and a separate back wall for said outer shell having rearwardly projecting Hanging adapted to engage said front-to-rear walls of said outer shell.

i. A heating chamber unit comprising, in combination, an inner shell, including, frontto-rear walls and a back wall said front-t0- rear walls having outwardly projecting flanging, and an outer shell adapted to surround said inner shell and having front-to-rear walls spaced from the corresponding walls of the inner shell and provided at their front ends with inwardly projecting fianging companion to and arranged to lap the hanging of said inner shell walls, and a separate back wall for said outer shell.

5. A stove construction comprising, in combination, a surrounding outside cabinet, a heating chamber unit mounted within said cabinet, including, an inner shell, an outer shell surrounding and spaced from said inner shell, packing interposed in the surrounding space between said shells, and a separate back wall for said outer shell whereby the packing may be applied to or removed from said packing space subsequent to assembly of said inner and outer shells.

6. A heating chamber unit comprising, in combination, an inner shell constituting the top, bottom and side walls of the heating chamber and an outer shell surrounding said inner shell and spaced from the walls there of and having a removable backwall whereby packing may be inserted in the space provided between said shells subsequent to their assembly, said inner and outer walls having companion flanging in lapping relation at the front of said heating chamber unit.

7. A stoveconstruction, comprising a casing having an aperture in its fro-nt,a door, and a heating chamber said casing and comprising an inner shell, an outer shell surrounding said inner shell and spaced therefrom, and packing interposed between the said shells, said heating chamber casing being open at its front and said casing aperture and said heating unit being closed bysaid door.

8. In a stove construction, the combination of a cabinet providing an'oven space defined by top, side and back walls and an apertured front wall, a separately constructed heating chamber unit comprised of top, side and back walls, each formed of an outer and inner metal sheet with intermediate insulated packing, said heating chamber unit being insertable within the oven space of of said cabinet, and a door for closing the aperture in the front wall of the cabinet and for forming the front wall of said oven when in closed position.

CLAUDE M. DIBBLE.

unit mounted within 

